M SERIES
M 450
M 650
Rev 16.03.01
User Manual / Manual de Uso
This symbol, wherever used,alerts you to
the presence of un-isulated and dangerous
voltages within the product enclosure.
These are voltages that may be sufficient to
constitute the risk of electric shock.
This symbol, wherever used, alerts you to
important operating and maintenance
instructions. Please read.
Protective Ground Terminal
AC mains (Alternating Current)
Hazardous Live Terminal
ON: Denotes the product is turned on.
OFF: Denotes the product is turned off.
WARNING
Describes precautions that should be observed to
prevent the possibility of death or injury to the user.
CAUTION
Describes precautions that should be observed to
prevent damage to the product.
WARNING
Power Supply
Ensure that the mains source voltage (AC outlet)
matches the voltage rating of the product. Failure
to do so could result in damage to the product and
possibly the user.
Unplug the product before electrical storms occur
and when unused for long periods of time to reduce
the risk of electric shock or fire.
External Connection
Always use proper ready-made insulated mains
cabling (power cord). Failure to do so could result
in shock or fire. If in doubt, seek advice from a
registered electrician.
Do not Remove Any Cover
Within the product are areas where high voltages
may bepresent. To reduce the risk of electric shock
do not remove any covers unless the AC mains
power cord is removed.
Covers should be removed by qualified service
personnel only.
No user serviciable parts inside.
Fuse
To prevent fire an damage to the product, use only
the recommended fuse type as indicated in this
manual. Do not short-circuit the fuse holder.
Before replacing fuse, make sure that the product
is OFF and disconnected from the AC outlet.
Protective Ground
Before turning the product ON, make sure that it is
connected to Ground. This is to prevent the risk of
electric shock.
Never cut internal or external Ground wires. Likewise,
never remove Ground wiring from the Protective
Ground Terminal.
Operating Conditions
Always install in accordance with the manufacturer´s
instructions.
To avoid the risk of electrtic shock and damage, do
not subject the product to any liquid/rain or moisture.
Do not use this product when in close proximity to
water.
Do not install this product near any direct heat source.
Do not block areas of ventilation.
SAFETY RELATED SYMBOLS
GRAPHICAL SYMBOLS EXPLANATION
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE
TO RAIN OR HUMIDITY.DO NOT
REMOVE COVER. THIS PRODUCT IS
NOT INTENDED FOR USE OTHER THAN
STATED.
WARNING:
ENEN
1
User Manual/Manual de Uso M 450 / M 650
FRONT PANEL
REAR PANEL
EN
1 3
15
16 17
18
13
14
6
7
8
9
10
11
12
4 5
2
1. POWER SWITCH It allows to power on/off the device.
2. POWER LED This LED lits when the unit is connected to main supply and the switch on.
3. CH A VOLUME LEVEL This potentiometer allows to control the output gain in channel A.
4. LED INDICATORS Each channel incorporates several LEDs. 2 in green color in order to indicate
the signal presence, 1 in red color for clip state and 1 in yelllow color which lits when the amplifier
enter in protection state.
5. CH B VOLUME LEVEL This potentiometer allows to control the output gain in channel B.
6. FUSE HOLDER If it blows, replace it with another fuse with the same type and rate
7. GROUND/LIFT SWITCH This switch allows to separate de ground of the device
with the rest of system devices of to link in order to avoid noises.
8. STEREO/BRIDGE SWITCH Use it to select the output mode: STEREO working
each channel separately, or BRIDGE summing both outputs.
NOTE: If you need to change the position of both switch (7 & 8), the device MUST
BE TURN OFF
2
User Manual/Manual de Uso M 450 / M 650
9. / 10. CH B INPUT You can insert audio signal to channel B using one of these
connectors (XLR 3 or Jack 1/4").
11. / 12. CH A INPUT You can insert audio signal to channel B using one of these
connectors (XLR 3 or Jack 1/4").
13. FAN The device uses fans in order to eliminate the hot excess in the amplifier.
Do not cover these grilles.
14. MAIN SOCKET INPUT Use the incorporated cable in order to connect the device
to an adequeate main supply point.
15. CH B OUTPUT Use these Binding post sockets in order to connect the output B
to the loudspeakers.
16. CH A OUTPUT Use these Binding post sockets in order to connect the output B
to the loudspeakers.
17. CH B OUTPUT Use this NL4 socket in order to connect the output B to the
loudspeakers.
18. CH A OUTPUT Use this NL4 socket in order to connect the output B to the
loudspeakers.
MODEL
M 450 M 650
POWER OUTPUT (4Ω)
220W + 220W AES 320W + 320W AES
POWER OUTPUT (8Ω)
150W + 150W AES 220W + 220W AES
POWER OUTPUT BRIDGE (8Ω)
280W AES 360W AES
FREQUENCY RESPONSE
20 Hz - 20 kHz 20 Hz - 20 kHz
INPUT SENSITIVITY
1.23V 1.23V
SLEW RATE
Z 30 uS Z 30 uS
S/N RATIO
> 99 dB > 99 dB
DISTORTION
<0.1% <0.1%
AC VOLTAGE
AC 230V / 50-60Hz AC 230V / 50-60Hz
DIMENSIONS
483 x 88 x 420 mm 483 x 88 x 420 mm
WEIGHT
8.9 kg 9.6 kg
3
User Manual/Manual de Uso M 450 / M 650
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